This recipe is for tomato rasam, you can use it for pepper jerra rasam and add in sambar also. As most of the Ingredients are same, except for the quantity.
Rasa podi
Ingredients
1 cup coriander
1/2 cup chana dal
1/4 cup tuvar dal
2 tsp black urad dal
2 tbsp black peppercorns
2 tbsp jeera
1/2 tsp methi
10 spicy dry red chillies
10 kashmiri chillies
A handful of curry leaves
1 tsp turmeric powder
A few pieces of heeng/ 1/2 tsp heeng powder
Method
Dry roast all Ingredients separately.
Cool down.
In the mixer jar add a tsp of turmeric powder and add all the roasted Ingredients and powder.
Store in an air tight container.